Bump pypa/gh-action-pypi-publish from 1.8.7 to 1.8.8

Bumps [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) from 1.8.7 to 1.8.8.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@v1.8.7...v1.8.8)

---
updated-dependencies:
- dependency-name: pypa/gh-action-pypi-publish
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release-stable.yml

@@ -46,4 +46,4 @@ jobs:
           poetry build --ansi
 
       - name: Publish package on PyPI
-        uses: pypa/gh-action-pypi-publish@v1.8.7
+        uses: pypa/gh-action-pypi-publish@v1.8.8

.github/workflows/release-unstable.yml

@@ -49,7 +49,7 @@ jobs:
           poetry build --ansi
 
       - name: Publish package on TestPyPI
-        uses: pypa/gh-action-pypi-publish@v1.8.7
+        uses: pypa/gh-action-pypi-publish@v1.8.8
         with:
           repository-url: https://test.pypi.org/legacy/